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March 25, 2026AIP AdvancesOpen Access

Exploring the effect of metal substitution on cesium iodide perovskites CsBI3 (B = Si, Ge, Sn) for lead-free optoelectronic applications

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Authors

OAOmar Alsalmi

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Overview

Exploration of metal substitution in CsBI3 affects bandgap in perovskites, suggesting viable lead-free options.

Key Points

  • This research aims to investigate how substituting metals in CsBI3 influences its properties for optoelectronic use.
  • Utilized density functional theory (DFT) for simulations
  • Examined structural stability and elastic properties
  • Analyzed thermodynamic properties and electronic characteristics
  • Identified CsBI3 compounds as direct bandgap semiconductors
  • Found that atomic size affects the bandgap
  • Ge and Sn compounds show optimal bandgaps for optoelectronic applications

Cite This Study

Omar Alsalmi (2026) studied this question.

synapsesocial.com/papers/69c37bf3b34aaaeb1a67eceahttps://doi.org/10.1063/5.0313462
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